Answer:
X-linked is a trait where a gene is located on the X chromosome. Humans and other mammals have two sex chromosomes, the X and the Y. In an X-linked or sex-linked disease, it is usually males that are affected because they have a single copy of the X chromosome that carries the mutation.
Explanation:
A white guinea pig because if the black guinea pig was a hybrid there would be a 50% chance that the offspring would be a colour other than black and if it was pure all the offspring would be black
Answer:
The given blank can be filled with the steady state theory.
Explanation:
The theory based on the perfect cosmological principle is the steady-state theory. On the basis of this theory, the universe is isotropic, homogenous, and immutable. This hypothesis did not reject the expansion of the universe, however, it believed in the spontaneous generation of matter to counteract the observed expansion, that is, maintaining the average density same.
This theory was suggested by Bondi, Hoyle, and Gold in 1948. The steady-state theory lost its objectives when the discovery of the cosmic background radiation was done.
D. Muscle Cells because when our muscles are not receiving a ton of oxygen they start producing lactic acid fermentation
I say neither because they seem to be the same bird but ill go with B anyway